Home / 16,078.96-24,122.19-4,985.08

Finding the Fourth Proportional to 16,078.96, 24,122.19 and 4,985.08

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Solution

The fourth proportional to 16,078.96, 24,122.19 and 4,985.08 is: 7,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,078.96 : 24,122.19 = 4,985.08 : x
  2. Step 2: Convert to fraction form
    16,078.96/24,122.19 = 4,985.08/x
  3. Step 3: Cross multiply
    16,078.96x = 24,122.19 × 4,985.08
  4. Step 4: Simplify right side
    16,078.96x = 120,251,046.93
  5. Step 5: Solve for x
    x = 120,251,046.93/16,078.96
  6. Step 6: Final answer
    x = 7,478.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.